Maximum Cable
Distance
Modal
Bandwidth
(MHz-km)
Core Size
(microns)
Wavelength
(nm)
Connector Type
Cable
Type
Transceiver
108 feet (33 m)
269 feet (82 m)
984 feet (300 m)
1312 feet (400 m)
200
500
2000
4700
62.5
50.0
50.0
50.0
850
12-fiber
MTP/MPO
MMF
QSFP-40G-CSR4
40 km
4
—
G.652
1310
LC
SMF
QSFP-40G-ER4
6.21 miles (10 km)
—
G.652
1310
LC Duplex
SMF
QSFP-40G-LR4
98 feet (30 m)
328 feet (100 m)
492 feet (150 m)
500 (OM2)
2000 (OM3)
4700 (OM4)
50.0
50.0
50.0
850
PC or UPC
MMF
QSFP-40G-SR4
3 feet (1 m)
6.5 feet (2 m)
9.8 feet (3 m)
16.4 feet (5 m)
23 feet (7 m)
33 feet (10 m)
-
-
-
QSFP to four
SFP+
Active
optical
cable
assembly
QSFP-4X10G-AOC
x
M
23 feet (7 m)
33 feet (10 m)
-
-
-
QSFP to four
SFP+
Direct-attach
copper
cable
assembly
QSFP-4X10G-AC
x
M
10 km
-
G.652
1310
MPO-12
SMF
QSFP-4X10G-LR-S
98 feet (30 m)
328 feet (100 m)
328 feet (100 m)
500 (OM2)
2000 (OM3)
4700 (OM4)
50.0
50.0
50.0
850/900
LC Duplex
MMF
QSFP-40G-SR-BD
1.24 miles (2 km)
—
G.652
1310
LC
SMF
WSP-Q40G-LR4L
For the optical specifications, see the following table.
Transmit and
Receive Wavelength
(nm)
Receive Power
(dBm)
Transmit Power
(dBm)
Transceiver Type
Transceiver
840 to 860
0 (maximum per
lane)
-9.9 (minimum per
lane)
0 (maximum per
lane)
-7.3 (minimum per
lane)
40GBASE-CSR4
QSFP-40G-CSR4
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
161
OL-30452-01.
Switch Specifications
Switch Specifications